A rim-made reptile in North Dakota.

A monument to the center of the North American continent may be off by a few miles.

A lonely house representing railroad history tells the stories of those who rode the rails.

The remnants of an early American attempt at missile defense.

This notorious Canadian mental institution was home to some of the first LSD experiments and origin of the word "psychedelic."

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Clusters of huge boulders in the Australian Outback.

Curious crater remnants in the middle of the Australian outback.

Only place outside China and India where two overhead DC power lines cross.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

World's smallest skyscraper, the product of a remarkable con.

Built from oil field parts and resembling a teepee, this abandoned mid-century church is hoping for a comeback.

Lone survivor from Custer's Last Stand forever preserved.

Mennes invented the tags we all place annually upon our license plates, and his story is told frankly and in full upon his headstone.